China Steam Turbine-Condensing Impulse Type

1. Basic data
No.ContentsWorking paras.1TypeN0.5-1.252Engine styleQ023Rated power500KW4Rated speed56001500r/min5Critical speed3690r/min6Intake pressure1.25 mpa7Intake temperature3008Input5.0t/h9Steam consumption10 kg/kw.h10Exhaust pressure rated load0.0103mpa11Layout typeSingle layer12Rotor structure1C 2+7P13Inlet/outlet diameter of main steam valve100/80mm14Steam outlet diameter650 mm15Weight of engine/rotor7.4/0.68t16Max Weight for lifting3.442 t17Operation floor standard height0 m18Height from engine center to operation floor1050 mm19Jacking gearManual20Coupling manner for engine and gear boxFlat tooth style coupling21Coupling manner for gear box and Power generatorRigid coupling22External dimension4112*2652*2512 mm23Oil temperation for bearing6521Db noise8024Generator output500 KW25Generator pressure400 V26Environment temp.VDE4027Speed1500r/min28Frequency50HZ29Electric current2706A30Factor0.8/dragging31Isolation classF/class32Wiring style3 phase 4 line33Cooling mannerAir cooling34Noise level105A)35External dimensionSee drawings
2. Technical requirements1)steam turbine engine technical requirementsIntake pressure Mpa (a) 1.25Intake temperature 300ºCCondensing pressure Mpa (a)<0.0103Rated power KW 500Rated speed r/min 5600/1500Speed changing range 80-105%Rated steam consumption guarantee value10.2kg/kw.hNoise guarantee value <85Shaft vibaration guarantee value <0.03mmRotation direction: See from generator side, counter clockwiseCircling cooling water temp. 27ºC/33ºC Normal 27, Max. 33
2)Driven motor(generator) parameter:Power: normal 500kw, rated 500kwSpeed: normal 1500r/min, rated 1500r/minSpeed changing scope: 80-105%Driven motor rotation direction: see from generator side, clockwiseType: condensing impulse typeType N0.5-1.25The turbine engine designing lifetime is 30 years.Under designing condition, continuous running time will no less than 8000 hours.The steam turbine should satisfy the output and speed requirement of generator under various working conditionsThe steam turbine engine is multiple valves regulation.The layout type is single layer.